Question

Explain how the use of CNG in automobile has reduced pollution in our cities?

Answer 1

. The use of CNG in place of petrol and diesel reduce pollutions in following ways:           (i) It produces less carbon monoxide gas.           (ii) It produces less carbon dioxide gas.           (iii) It produces less amount of sulphur dioxide and nitrogen dioxide which cause acid rain.           (iv) No residue remains after combustion.

Answer 2

Answer:

The use of CNG in automobiles has reduced pollution in our cities as it is a quality fuel and has some benefits:

(a) It gives out less carbon dioxide gas, carbon monoxide gas, sulphur dioxide and nitrogen dioxide, which is beneficial as they play crucial role in global warming and acid rain.

(b) It leaves behind no residue after its combustion.